Silverfish

Natural Habitat

Damp, cool, and dark environments such as basements, attics, kitchens, and bathrooms.

Diet & Feeding

Starches and polysaccharides; they consume paper, book bindings, wallpaper paste, glue, and natural fibers like silk or cotton.

Behavior Patterns

Nocturnal and extremely fast runners; they avoid light and are known for their fish-like wiggling movement. They have a long lifespan for insects, typically 2 to 8 years.

Risks & Benefits

They do not bite humans or spread disease, but they are considered household pests because they damage property like books, photos, and clothing. They play a minor role in the ecosystem by breaking down organic matter.

Identified on: 2/19/2026